Monitoring Camera Power Management via Energy Accumulator

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Solution Overview

Problem

Monitoring cameras face challenges with processing power requirements exceeding limited power supplies, leading to insufficient energy for high-performance image processing, especially in scenarios like temporary installations or low PoE classes.

Innovation Solution

A method for controlling monitoring cameras that utilizes an external power source and an energy accumulator to dynamically adjust processing states based on detected events, allowing for increased power levels beyond the external maximum, optimizing image processing capacity and extending battery life by charging the accumulator during periods of low demand.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If the monitoring camera uses high processing power to handle complex image processing requirements, then the image processing capability is improved, but the power consumption increases beyond the limited power supply capacity

Engineering Contradiction:
Improveimage processing capabilityVSAvoidpower consumption
Core Design Contradiction:
ProductivityVSPower

Solution Approach 1:

The camera dynamically adjusts its processing state based on detected events. During normal operation, it uses low-power first processing state. When an event is detected, it transitions to high-performance second processing state only when sufficient energy is available in the accumulator, allowing the system to adapt its processing capability to available power resources.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system pre-charges the energy accumulator during periods when power consumption is low (normal monitoring without events). This preliminary energy accumulation enables the camera to temporarily access high processing power when events occur, without exceeding the average power supply limits.

Inventive Principle:
Principle #10Preliminary action

2Adaptability or versatility

If the monitoring camera operates in temporary installation with limited power supply, then the installation flexibility is improved, but the processing power becomes insufficient for high-demand scenarios

Engineering Contradiction:
Improveinstallation flexibilityVSAvoidprocessing power
Core Design Contradiction:
Adaptability or versatilityVSProductivity

Solution Approach 1:

The system pre-charges the energy accumulator during low-power periods to enable temporary high-performance operation when events occur, allowing temporary installations to access high processing power without requiring high continuous power supply infrastructure.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system changes operational parameters by switching between first processing state (low power) and second processing state (high power) based on event detection and energy availability, allowing the same hardware to deliver different performance levels according to instantaneous power availability.

Inventive Principle:
Principle #35Parameter changes

3Ease of operation

If the monitoring camera uses low PoE class to ensure compatibility and basic operation, then the ease of deployment is improved, but the processing power is insufficient when events require high-performance analysis

Engineering Contradiction:
Improveease of deploymentVSAvoidprocessing power for event analysis
Core Design Contradiction:
Ease of operationVSProductivity

Solution Approach 1:

The camera accumulates energy in advance during normal operation with limited PoE power, enabling it to temporarily access high processing power when events occur, thus maintaining ease of deployment with low PoE class while still delivering high processing capability when needed.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The system dynamically scales processing power based on event detection and energy availability, allowing it to operate at low power during normal conditions (ensuring compatibility) and temporarily access high power for event analysis (improving processing capability) without requiring high PoE class infrastructure.

Inventive Principle:
Principle #15Dynamics

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

Enables monitoring cameras to perform high-performance image processing when needed, enhancing image quality and extending service intervals by leveraging both external and accumulator power, thereby optimizing processing capacity and power management.

Implementation Method 1

an energy accumulator adapted to store electrical energy which can be used by the monitoring camera when needed

Methodology Applied
Scientific EffectEnergy accumulation: Accumulator (energy)

Data Source

PatentEP2713238B1Power management in a monitoring camera.
Publication Date: 2014.11.26 AXIS
  • EP2713238B1 patent drawingFigure 1~2a
  • EP2713238B1 patent drawingFigure 2b
  • EP2713238B1 patent drawingFigure 3

AI summary

A monitoring camera is connected to an external power source. The external power source has an external maximum power level. Image data is being processed in a first processing state. The monitoring camera detects (202) an event and determines (206) a type of the detected event. An amount of energy in an energy accumulator is determined (208) in the monitoring camera. Based on the type of the event and based on the external maximum power level and based on the determined amount of energy in the energy accumulator, a second processing state is determined (210). The second processing state requires a power level that is higher than the external maximum power level. Image data is then processed (212) in the second processing state.